Country State Classification Source WallNo Centennial Commercial Location surroundPic
United States New York Limestone Willsborough 13RB6 26128 y Front Face (South) Dscf0456.jpg
No 13RB6 is:

Description
black
fine grain
compact
fossiliferous
magnesian
Lower Silurian


Picture of the Archive Stone:
/archive/front/13rb6.jpg		 Actual Picture from the Stone Wall: /mid2000/13rb6.jpg (63575 bytes)